RP/0/RP0/CPU0:PE2#ping 2.2.2.2 source 7.7.7.7 count 20
Fri Sep 11 14:11:54.084 UTC
Type escape sequence to abort.
Sending 20, 100-byte ICMP Echos to 2.2.2.2 timeout is 2 seconds:
!!!!!!!!!!!!!!!!!!!!
Success rate is 100 percent (20/20), round-trip min/avg/max = 11/14/26 ms
RP/0/RP0/CPU0:PE2#traceroute 2.2.2.2 source 7.7.7.7
Fri Sep 11 14:11:55.275 UTC

Type escape sequence to abort.
Tracing the route to 2.2.2.2

 1  10.5.7.5 [MPLS: Label 24008 Exp 0] 14 msec  57 msec  13 msec 
 2  10.5.6.6 [MPLS: Label 24008 Exp 0] 14 msec  15 msec  12 msec 
 3  10.4.6.4 [MPLS: Label 24008 Exp 0] 12 msec  11 msec  12 msec 
 4  10.2.4.2 23 msec  *  14 msec